748223620992 has 192 divisors, whose sum is σ = 2318387151600. Its totient is φ = 230757875712.

The previous prime is 748223620979. The next prime is 748223620997. The reversal of 748223620992 is 299026322847.

748223620992 is a `hidden beast` number, since 7 + 4 + 8 + 2 + 2 + 3 + 620 + 9 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748223620997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831678 + ... + 1479234.

Almost surely, 2^748223620992 is an apocalyptic number.

748223620992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748223620992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159193575800).

748223620992 is an abundant number, since it is smaller than the sum of its proper divisors (1570163530608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748223620992 is a wasteful number, since it uses less digits than its factorization.

748223620992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647653 (or 647638 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 748223620992 in words is "seven hundred forty-eight billion, two hundred twenty-three million, six hundred twenty thousand, nine hundred ninety-two".